/**
 * 
 */
package STUDENTS.VUONGXUANSON.BASIC;

import java.util.Scanner;

/**
 * @author ADMIN
 *
 */
public class chuyendoikhoiluong {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		String strTemp="";
		float fKg;
		float fPuond;
		do {
			System.out.println("mời nhập số kg:");
			strTemp=sc.nextLine();
			fKg=Float.parseFloat(strTemp);
		} while (strTemp.isEmpty()||Integer.parseInt(strTemp)<0);
		
			fKg=(float)(2.2*fPound);
			
			

	}

}
